# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
# isort:skip_file
import unittest
import uuid
from datetime import date, datetime, time, timedelta
from decimal import Decimal
from unittest.mock import Mock, patch

import numpy
from flask import Flask
from flask_caching import Cache
from sqlalchemy.exc import ArgumentError

import tests.test_app
from superset import app, db, security_manager
from superset.exceptions import SupersetException
from superset.models.core import Database
from superset.utils.cache_manager import CacheManager
from superset.utils.core import (
    base_json_conv,
    convert_legacy_filters_into_adhoc,
    datetime_f,
    format_timedelta,
    get_or_create_db,
    get_since_until,
    get_stacktrace,
    json_int_dttm_ser,
    json_iso_dttm_ser,
    JSONEncodedDict,
    memoized,
    merge_extra_filters,
    merge_request_params,
    parse_human_timedelta,
    parse_js_uri_path_item,
    parse_past_timedelta,
    split,
    TimeRangeEndpoint,
    validate_json,
    zlib_compress,
    zlib_decompress,
)
from superset.views.utils import get_time_range_endpoints
from tests.base_tests import SupersetTestCase


def mock_parse_human_datetime(s):
    if s == "now":
        return datetime(2016, 11, 7, 9, 30, 10)
    elif s == "today":
        return datetime(2016, 11, 7)
    elif s == "yesterday":
        return datetime(2016, 11, 6)
    elif s == "tomorrow":
        return datetime(2016, 11, 8)
    elif s == "Last year":
        return datetime(2015, 11, 7)
    elif s == "Last week":
        return datetime(2015, 10, 31)
    elif s == "Last 5 months":
        return datetime(2016, 6, 7)
    elif s == "Next 5 months":
        return datetime(2017, 4, 7)
    elif s in ["5 days", "5 days ago"]:
        return datetime(2016, 11, 2)
    elif s == "2018-01-01T00:00:00":
        return datetime(2018, 1, 1)
    elif s == "2018-12-31T23:59:59":
        return datetime(2018, 12, 31, 23, 59, 59)


def mock_to_adhoc(filt, expressionType="SIMPLE", clause="where"):
    result = {"clause": clause.upper(), "expressionType": expressionType}

    if expressionType == "SIMPLE":
        result.update(
            {"comparator": filt["val"], "operator": filt["op"], "subject": filt["col"]}
        )
    elif expressionType == "SQL":
        result.update({"sqlExpression": filt[clause]})

    return result


class UtilsTestCase(SupersetTestCase):
    def test_json_int_dttm_ser(self):
        dttm = datetime(2020, 1, 1)
        ts = 1577836800000.0
        assert json_int_dttm_ser(dttm) == ts
        assert json_int_dttm_ser(date(2020, 1, 1)) == ts
        assert json_int_dttm_ser(datetime(1970, 1, 1)) == 0
        assert json_int_dttm_ser(date(1970, 1, 1)) == 0
        assert json_int_dttm_ser(dttm + timedelta(milliseconds=1)) == (ts + 1)

        with self.assertRaises(TypeError):
            json_int_dttm_ser("this is not a date")

    def test_json_iso_dttm_ser(self):
        dttm = datetime(2020, 1, 1)
        dt = date(2020, 1, 1)
        t = time()
        assert json_iso_dttm_ser(dttm) == dttm.isoformat()
        assert json_iso_dttm_ser(dt) == dt.isoformat()
        assert json_iso_dttm_ser(t) == t.isoformat()

        with self.assertRaises(TypeError):
            json_iso_dttm_ser("this is not a date")

    def test_base_json_conv(self):
        assert isinstance(base_json_conv(numpy.bool_(1)), bool) is True
        assert isinstance(base_json_conv(numpy.int64(1)), int) is True
        assert isinstance(base_json_conv(numpy.array([1, 2, 3])), list) is True
        assert isinstance(base_json_conv(set([1])), list) is True
        assert isinstance(base_json_conv(Decimal("1.0")), float) is True
        assert isinstance(base_json_conv(uuid.uuid4()), str) is True
        assert isinstance(base_json_conv(timedelta(0)), str) is True

    @patch("superset.utils.core.datetime")
    def test_parse_human_timedelta(self, mock_datetime):
        mock_datetime.now.return_value = datetime(2019, 4, 1)
        mock_datetime.side_effect = lambda *args, **kw: datetime(*args, **kw)
        self.assertEqual(parse_human_timedelta("now"), timedelta(0))
        self.assertEqual(parse_human_timedelta("1 year"), timedelta(366))
        self.assertEqual(parse_human_timedelta("-1 year"), timedelta(-365))
        self.assertEqual(parse_human_timedelta(None), timedelta(0))

    @patch("superset.utils.core.datetime")
    def test_parse_past_timedelta(self, mock_datetime):
        mock_datetime.now.return_value = datetime(2019, 4, 1)
        mock_datetime.side_effect = lambda *args, **kw: datetime(*args, **kw)
        self.assertEqual(parse_past_timedelta("1 year"), timedelta(365))
        self.assertEqual(parse_past_timedelta("-1 year"), timedelta(365))
        self.assertEqual(parse_past_timedelta("52 weeks"), timedelta(364))
        self.assertEqual(parse_past_timedelta("1 month"), timedelta(31))

    def test_zlib_compression(self):
        json_str = '{"test": 1}'
        blob = zlib_compress(json_str)
        got_str = zlib_decompress(blob)
        self.assertEqual(json_str, got_str)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_merge_extra_filters(self):
        # does nothing if no extra filters
        form_data = {"A": 1, "B": 2, "c": "test"}
        expected = {"A": 1, "B": 2, "c": "test"}
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)
        # empty extra_filters
        form_data = {"A": 1, "B": 2, "c": "test", "extra_filters": []}
        expected = {"A": 1, "B": 2, "c": "test", "adhoc_filters": []}
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)
        # copy over extra filters into empty filters
        form_data = {
            "extra_filters": [
                {"col": "a", "op": "in", "val": "someval"},
                {"col": "B", "op": "==", "val": ["c1", "c2"]},
            ]
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
            ]
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)
        # adds extra filters to existing filters
        form_data = {
            "extra_filters": [
                {"col": "a", "op": "in", "val": "someval"},
                {"col": "B", "op": "==", "val": ["c1", "c2"]},
            ],
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": ["G1", "g2"],
                    "expressionType": "SIMPLE",
                    "operator": "!=",
                    "subject": "D",
                }
            ],
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": ["G1", "g2"],
                    "expressionType": "SIMPLE",
                    "operator": "!=",
                    "subject": "D",
                },
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
            ]
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)
        # adds extra filters to existing filters and sets time options
        form_data = {
            "extra_filters": [
                {"col": "__time_range", "op": "in", "val": "1 year ago :"},
                {"col": "__time_col", "op": "in", "val": "birth_year"},
                {"col": "__time_grain", "op": "in", "val": "years"},
                {"col": "A", "op": "like", "val": "hello"},
                {"col": "__time_origin", "op": "in", "val": "now"},
                {"col": "__granularity", "op": "in", "val": "90 seconds"},
            ]
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "hello",
                    "expressionType": "SIMPLE",
                    "operator": "like",
                    "subject": "A",
                }
            ],
            "time_range": "1 year ago :",
            "granularity_sqla": "birth_year",
            "time_grain_sqla": "years",
            "granularity": "90 seconds",
            "druid_time_origin": "now",
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_merge_extra_filters_ignores_empty_filters(self):
        form_data = {
            "extra_filters": [
                {"col": "a", "op": "in", "val": ""},
                {"col": "B", "op": "==", "val": []},
            ]
        }
        expected = {"adhoc_filters": []}
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_merge_extra_filters_ignores_nones(self):
        form_data = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": None,
                }
            ],
            "extra_filters": [{"col": "B", "op": "==", "val": []}],
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": None,
                }
            ]
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_merge_extra_filters_ignores_equal_filters(self):
        form_data = {
            "extra_filters": [
                {"col": "a", "op": "in", "val": "someval"},
                {"col": "B", "op": "==", "val": ["c1", "c2"]},
                {"col": "c", "op": "in", "val": ["c1", 1, None]},
            ],
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", 1, None],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "c",
                },
            ],
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", 1, None],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "c",
                },
            ]
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_merge_extra_filters_merges_different_val_types(self):
        form_data = {
            "extra_filters": [
                {"col": "a", "op": "in", "val": ["g1", "g2"]},
                {"col": "B", "op": "==", "val": ["c1", "c2"]},
            ],
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
            ],
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["g1", "g2"],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
            ]
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)
        form_data = {
            "extra_filters": [
                {"col": "a", "op": "in", "val": "someval"},
                {"col": "B", "op": "==", "val": ["c1", "c2"]},
            ],
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": ["g1", "g2"],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
            ],
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": ["g1", "g2"],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
            ]
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_merge_extra_filters_adds_unequal_lists(self):
        form_data = {
            "extra_filters": [
                {"col": "a", "op": "in", "val": ["g1", "g2", "g3"]},
                {"col": "B", "op": "==", "val": ["c1", "c2", "c3"]},
            ],
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": ["g1", "g2"],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
            ],
        }
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": ["g1", "g2"],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["g1", "g2", "g3"],
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                },
                {
                    "clause": "WHERE",
                    "comparator": ["c1", "c2", "c3"],
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "B",
                },
            ]
        }
        merge_extra_filters(form_data)
        self.assertEqual(form_data, expected)

    def test_merge_request_params_when_url_params_undefined(self):
        form_data = {"since": "2000", "until": "now"}
        url_params = {"form_data": form_data, "dashboard_ids": "(1,2,3,4,5)"}
        merge_request_params(form_data, url_params)
        self.assertIn("url_params", form_data.keys())
        self.assertIn("dashboard_ids", form_data["url_params"])
        self.assertNotIn("form_data", form_data.keys())

    def test_merge_request_params_when_url_params_predefined(self):
        form_data = {
            "since": "2000",
            "until": "now",
            "url_params": {"abc": "123", "dashboard_ids": "(1,2,3)"},
        }
        url_params = {"form_data": form_data, "dashboard_ids": "(1,2,3,4,5)"}
        merge_request_params(form_data, url_params)
        self.assertIn("url_params", form_data.keys())
        self.assertIn("abc", form_data["url_params"])
        self.assertEquals(
            url_params["dashboard_ids"], form_data["url_params"]["dashboard_ids"]
        )

    def test_datetime_f(self):
        self.assertEqual(
            datetime_f(datetime(1990, 9, 21, 19, 11, 19, 626096)),
            "<nobr>1990-09-21T19:11:19.626096</nobr>",
        )
        self.assertEqual(len(datetime_f(datetime.now())), 28)
        self.assertEqual(datetime_f(None), "<nobr>None</nobr>")
        iso = datetime.now().isoformat()[:10].split("-")
        [a, b, c] = [int(v) for v in iso]
        self.assertEqual(datetime_f(datetime(a, b, c)), "<nobr>00:00:00</nobr>")

    def test_format_timedelta(self):
        self.assertEqual(format_timedelta(timedelta(0)), "0:00:00")
        self.assertEqual(format_timedelta(timedelta(days=1)), "1 day, 0:00:00")
        self.assertEqual(format_timedelta(timedelta(minutes=-6)), "-0:06:00")
        self.assertEqual(
            format_timedelta(timedelta(0) - timedelta(days=1, hours=5, minutes=6)),
            "-1 day, 5:06:00",
        )
        self.assertEqual(
            format_timedelta(timedelta(0) - timedelta(days=16, hours=4, minutes=3)),
            "-16 days, 4:03:00",
        )

    def test_json_encoded_obj(self):
        obj = {"a": 5, "b": ["a", "g", 5]}
        val = '{"a": 5, "b": ["a", "g", 5]}'
        jsonObj = JSONEncodedDict()
        resp = jsonObj.process_bind_param(obj, "dialect")
        self.assertIn('"a": 5', resp)
        self.assertIn('"b": ["a", "g", 5]', resp)
        self.assertEqual(jsonObj.process_result_value(val, "dialect"), obj)

    def test_validate_json(self):
        invalid = '{"a": 5, "b": [1, 5, ["g", "h]]}'
        with self.assertRaises(SupersetException):
            validate_json(invalid)

    def test_memoized_on_functions(self):
        watcher = {"val": 0}

        @memoized
        def test_function(a, b, c):
            watcher["val"] += 1
            return a * b * c

        result1 = test_function(1, 2, 3)
        result2 = test_function(1, 2, 3)
        self.assertEqual(result1, result2)
        self.assertEqual(watcher["val"], 1)

    def test_memoized_on_methods(self):
        class test_class:
            def __init__(self, num):
                self.num = num
                self.watcher = 0

            @memoized
            def test_method(self, a, b, c):
                self.watcher += 1
                return a * b * c * self.num

        instance = test_class(5)
        result1 = instance.test_method(1, 2, 3)
        result2 = instance.test_method(1, 2, 3)
        self.assertEqual(result1, result2)
        self.assertEqual(instance.watcher, 1)
        instance.num = 10
        self.assertEqual(result2, instance.test_method(1, 2, 3))

    def test_memoized_on_methods_with_watches(self):
        class test_class:
            def __init__(self, x, y):
                self.x = x
                self.y = y
                self.watcher = 0

            @memoized(watch=("x", "y"))
            def test_method(self, a, b, c):
                self.watcher += 1
                return a * b * c * self.x * self.y

        instance = test_class(3, 12)
        result1 = instance.test_method(1, 2, 3)
        result2 = instance.test_method(1, 2, 3)
        self.assertEqual(result1, result2)
        self.assertEqual(instance.watcher, 1)
        result3 = instance.test_method(2, 3, 4)
        self.assertEqual(instance.watcher, 2)
        result4 = instance.test_method(2, 3, 4)
        self.assertEqual(instance.watcher, 2)
        self.assertEqual(result3, result4)
        self.assertNotEqual(result3, result1)
        instance.x = 1
        result5 = instance.test_method(2, 3, 4)
        self.assertEqual(instance.watcher, 3)
        self.assertNotEqual(result5, result4)
        result6 = instance.test_method(2, 3, 4)
        self.assertEqual(instance.watcher, 3)
        self.assertEqual(result6, result5)
        instance.x = 10
        instance.y = 10
        result7 = instance.test_method(2, 3, 4)
        self.assertEqual(instance.watcher, 4)
        self.assertNotEqual(result7, result6)
        instance.x = 3
        instance.y = 12
        result8 = instance.test_method(1, 2, 3)
        self.assertEqual(instance.watcher, 4)
        self.assertEqual(result1, result8)

    @patch("superset.utils.core.parse_human_datetime", mock_parse_human_datetime)
    def test_get_since_until(self):
        result = get_since_until()
        expected = None, datetime(2016, 11, 7)
        self.assertEqual(result, expected)

        result = get_since_until(" : now")
        expected = None, datetime(2016, 11, 7, 9, 30, 10)
        self.assertEqual(result, expected)

        result = get_since_until("yesterday : tomorrow")
        expected = datetime(2016, 11, 6), datetime(2016, 11, 8)
        self.assertEqual(result, expected)

        result = get_since_until("2018-01-01T00:00:00 : 2018-12-31T23:59:59")
        expected = datetime(2018, 1, 1), datetime(2018, 12, 31, 23, 59, 59)
        self.assertEqual(result, expected)

        result = get_since_until("Last year")
        expected = datetime(2015, 11, 7), datetime(2016, 11, 7)
        self.assertEqual(result, expected)

        result = get_since_until("Last 5 months")
        expected = datetime(2016, 6, 7), datetime(2016, 11, 7)
        self.assertEqual(result, expected)

        result = get_since_until("Next 5 months")
        expected = datetime(2016, 11, 7), datetime(2017, 4, 7)
        self.assertEqual(result, expected)

        result = get_since_until(since="5 days")
        expected = datetime(2016, 11, 2), datetime(2016, 11, 7)
        self.assertEqual(result, expected)

        result = get_since_until(since="5 days ago", until="tomorrow")
        expected = datetime(2016, 11, 2), datetime(2016, 11, 8)
        self.assertEqual(result, expected)

        result = get_since_until(time_range="yesterday : tomorrow", time_shift="1 day")
        expected = datetime(2016, 11, 5), datetime(2016, 11, 7)
        self.assertEqual(result, expected)

        result = get_since_until(time_range="5 days : now")
        expected = datetime(2016, 11, 2), datetime(2016, 11, 7, 9, 30, 10)
        self.assertEqual(result, expected)

        result = get_since_until("Last week", relative_end="now")
        expected = datetime(2016, 10, 31), datetime(2016, 11, 7, 9, 30, 10)
        self.assertEqual(result, expected)

        result = get_since_until("Last week", relative_start="now")
        expected = datetime(2016, 10, 31, 9, 30, 10), datetime(2016, 11, 7)
        self.assertEqual(result, expected)

        result = get_since_until("Last week", relative_start="now", relative_end="now")
        expected = datetime(2016, 10, 31, 9, 30, 10), datetime(2016, 11, 7, 9, 30, 10)
        self.assertEqual(result, expected)

        with self.assertRaises(ValueError):
            get_since_until(time_range="tomorrow : yesterday")

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_convert_legacy_filters_into_adhoc_where(self):
        form_data = {"where": "a = 1"}
        expected = {
            "adhoc_filters": [
                {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"}
            ]
        }
        convert_legacy_filters_into_adhoc(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_convert_legacy_filters_into_adhoc_filters(self):
        form_data = {"filters": [{"col": "a", "op": "in", "val": "someval"}]}
        expected = {
            "adhoc_filters": [
                {
                    "clause": "WHERE",
                    "comparator": "someval",
                    "expressionType": "SIMPLE",
                    "operator": "in",
                    "subject": "a",
                }
            ]
        }
        convert_legacy_filters_into_adhoc(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_convert_legacy_filters_into_adhoc_having(self):
        form_data = {"having": "COUNT(1) = 1"}
        expected = {
            "adhoc_filters": [
                {
                    "clause": "HAVING",
                    "expressionType": "SQL",
                    "sqlExpression": "COUNT(1) = 1",
                }
            ]
        }
        convert_legacy_filters_into_adhoc(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_convert_legacy_filters_into_adhoc_having_filters(self):
        form_data = {"having_filters": [{"col": "COUNT(1)", "op": "==", "val": 1}]}
        expected = {
            "adhoc_filters": [
                {
                    "clause": "HAVING",
                    "comparator": 1,
                    "expressionType": "SIMPLE",
                    "operator": "==",
                    "subject": "COUNT(1)",
                }
            ]
        }
        convert_legacy_filters_into_adhoc(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_convert_legacy_filters_into_adhoc_present_and_empty(self):
        form_data = {"adhoc_filters": [], "where": "a = 1"}
        expected = {
            "adhoc_filters": [
                {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"}
            ]
        }
        convert_legacy_filters_into_adhoc(form_data)
        self.assertEqual(form_data, expected)

    @patch("superset.utils.core.to_adhoc", mock_to_adhoc)
    def test_convert_legacy_filters_into_adhoc_present_and_nonempty(self):
        form_data = {
            "adhoc_filters": [
                {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"}
            ],
            "filters": [{"col": "a", "op": "in", "val": "someval"}],
            "having": "COUNT(1) = 1",
            "having_filters": [{"col": "COUNT(1)", "op": "==", "val": 1}],
        }
        expected = {
            "adhoc_filters": [
                {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"}
            ]
        }
        convert_legacy_filters_into_adhoc(form_data)
        self.assertEqual(form_data, expected)

    def test_parse_js_uri_path_items_eval_undefined(self):
        self.assertIsNone(parse_js_uri_path_item("undefined", eval_undefined=True))
        self.assertIsNone(parse_js_uri_path_item("null", eval_undefined=True))
        self.assertEqual("undefined", parse_js_uri_path_item("undefined"))
        self.assertEqual("null", parse_js_uri_path_item("null"))

    def test_parse_js_uri_path_items_unquote(self):
        self.assertEqual("slashed/name", parse_js_uri_path_item("slashed%2fname"))
        self.assertEqual(
            "slashed%2fname", parse_js_uri_path_item("slashed%2fname", unquote=False)
        )

    def test_parse_js_uri_path_items_item_optional(self):
        self.assertIsNone(parse_js_uri_path_item(None))
        self.assertIsNotNone(parse_js_uri_path_item("item"))

    def test_setup_cache_null_config(self):
        app = Flask(__name__)
        cache_config = {"CACHE_TYPE": "null"}
        assert isinstance(CacheManager._setup_cache(app, cache_config), Cache)

    def test_setup_cache_standard_config(self):
        app = Flask(__name__)
        cache_config = {
            "CACHE_TYPE": "redis",
            "CACHE_DEFAULT_TIMEOUT": 60,
            "CACHE_KEY_PREFIX": "superset_results",
            "CACHE_REDIS_URL": "redis://localhost:6379/0",
        }
        assert isinstance(CacheManager._setup_cache(app, cache_config), Cache) is True

    def test_setup_cache_custom_function(self):
        app = Flask(__name__)
        CustomCache = type("CustomCache", (object,), {"__init__": lambda *args: None})

        def init_cache(app):
            return CustomCache(app, {})

        assert (
            isinstance(CacheManager._setup_cache(app, init_cache), CustomCache) is True
        )

    def test_get_stacktrace(self):
        with app.app_context():
            app.config["SHOW_STACKTRACE"] = True
            try:
                raise Exception("NONONO!")
            except Exception:
                stacktrace = get_stacktrace()
                self.assertIn("NONONO", stacktrace)

            app.config["SHOW_STACKTRACE"] = False
            try:
                raise Exception("NONONO!")
            except Exception:
                stacktrace = get_stacktrace()
                assert stacktrace is None

    def test_split(self):
        self.assertEqual(list(split("a b")), ["a", "b"])
        self.assertEqual(list(split("a,b", delimiter=",")), ["a", "b"])
        self.assertEqual(list(split("a,(b,a)", delimiter=",")), ["a", "(b,a)"])
        self.assertEqual(
            list(split('a,(b,a),"foo , bar"', delimiter=",")),
            ["a", "(b,a)", '"foo , bar"'],
        )
        self.assertEqual(
            list(split("a,'b,c'", delimiter=",", quote="'")), ["a", "'b,c'"]
        )
        self.assertEqual(list(split('a "b c"')), ["a", '"b c"'])
        self.assertEqual(list(split(r'a "b \" c"')), ["a", r'"b \" c"'])

    def test_get_or_create_db(self):
        get_or_create_db("test_db", "sqlite:///superset.db")
        database = db.session.query(Database).filter_by(database_name="test_db").one()
        self.assertIsNotNone(database)
        self.assertEqual(database.sqlalchemy_uri, "sqlite:///superset.db")
        self.assertIsNotNone(
            security_manager.find_permission_view_menu("database_access", database.perm)
        )
        # Test change URI
        get_or_create_db("test_db", "sqlite:///changed.db")
        database = db.session.query(Database).filter_by(database_name="test_db").one()
        self.assertEqual(database.sqlalchemy_uri, "sqlite:///changed.db")
        db.session.delete(database)
        db.session.commit()

    def test_get_or_create_db_invalid_uri(self):
        with self.assertRaises(ArgumentError):
            get_or_create_db("test_db", "yoursql:superset.db/()")

    def test_get_time_range_endpoints(self):
        self.assertEqual(
            get_time_range_endpoints(form_data={}),
            (TimeRangeEndpoint.INCLUSIVE, TimeRangeEndpoint.EXCLUSIVE),
        )

        self.assertEqual(
            get_time_range_endpoints(
                form_data={"time_range_endpoints": ["inclusive", "inclusive"]}
            ),
            (TimeRangeEndpoint.INCLUSIVE, TimeRangeEndpoint.INCLUSIVE),
        )

        self.assertEqual(
            get_time_range_endpoints(form_data={"datasource": "1_druid"}),
            (TimeRangeEndpoint.INCLUSIVE, TimeRangeEndpoint.EXCLUSIVE),
        )

        slc = Mock()
        slc.datasource.database.get_extra.return_value = {}

        self.assertEqual(
            get_time_range_endpoints(form_data={"datasource": "1__table"}, slc=slc),
            (TimeRangeEndpoint.UNKNOWN, TimeRangeEndpoint.INCLUSIVE),
        )

        slc.datasource.database.get_extra.return_value = {
            "time_range_endpoints": ["inclusive", "inclusive"]
        }

        self.assertEqual(
            get_time_range_endpoints(form_data={"datasource": "1__table"}, slc=slc),
            (TimeRangeEndpoint.INCLUSIVE, TimeRangeEndpoint.INCLUSIVE),
        )

        self.assertIsNone(get_time_range_endpoints(form_data={}, slc=slc))

        with app.app_context():
            app.config["SIP_15_GRACE_PERIOD_END"] = date.today() + timedelta(days=1)

            self.assertEqual(
                get_time_range_endpoints(form_data={"datasource": "1__table"}, slc=slc),
                (TimeRangeEndpoint.INCLUSIVE, TimeRangeEndpoint.INCLUSIVE),
            )

            app.config["SIP_15_GRACE_PERIOD_END"] = date.today()

            self.assertEqual(
                get_time_range_endpoints(form_data={"datasource": "1__table"}, slc=slc),
                (TimeRangeEndpoint.INCLUSIVE, TimeRangeEndpoint.EXCLUSIVE),
            )
